This chemistry wordoku recognises the chemist who discovered quasicrystals!
Solve this wordoku in the same way as a sudoku with letters instead of numbers (each of the nine letters in each row, column and nine-square cell). Once solved, one of the overall diagonals can be rearranged to give the surname of a Nobel laureate whose contribution to chemistry involved rethinking the field of crystallography to understand non-periodic crystals.
This week’s letters are: A C E H I M N S T





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